參數(shù)資料
型號: SN54AHC165
廠商: Texas Instruments, Inc.
英文描述: 8-Bit Parallel-Load Shift Registers(8位并行載入移位寄存器)
中文描述: 8位并行負(fù)載移位寄存器(8位并行載入移位寄存器)
文件頁數(shù): 1/9頁
文件大?。?/td> 222K
代理商: SN54AHC165
SN54AHC165, SN74AHC165
8-BIT PARALLEL-LOAD SHIFT REGISTERS
SCLS371 – MAY 1997
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Operating Range 2-V to 5.5-V V
CC
EPIC
(Enhanced-Performance Implanted
CMOS) Process
Complementary Outputs
Direct Overriding Load (Data) Inputs
Gated Clock Inputs
Parallel-to-Serial Data Conversion
Package Options Include Plastic
Small-Outline (D), Shrink Small-Outline
(DB), Thin Shrink Small-Outline (PW), and
Ceramic Flat (W) Packages, Ceramic Chip
Carriers (FK), and Standard Plastic (N) and
Ceramic (J) 300-mil DIPs
description
The ’AHC165 are 8-bit parallel-load shift registers
that, when clocked, shift the data toward a serial
(Q
H
) output. Parallel-in access to each stage is
provided by eight individual direct data (A–H)
inputs that are enabled by a low level at the
shift/load (SH/LD) input. The ’AHC165 also
feature a clock-inhibit (CLK INH) function and a
complementary serial (Q
H
) output.
Clocking is accomplished by a low-to-high
transition of the clock (CLK) input while SH/LD is
held high and CLK INH is held low. The functions
of CLK and CLK INH are interchangeable. Since
a low CLK and a low-to-high transition of CLK INH
also accomplish clocking, CLK INH should be
changed to the high level only while CLK is high.
Parallel loading is inhibited when SH/LD is held
high. While SH/LD is low, the parallel inputs to the
register are enabled independently of the levels of
the CLK, CLK INH, or serial (SER) inputs.
The SN54AHC165 is characterized for operation over the full military temperature range of –55
°
C to 125
°
C. The
SN74AHC165 is characterized for operation from –40
°
C to 85
°
C.
P
Copyright
1997, Texas Instruments Incorporated
PRODUCT PREVIEW information concerns products in the formative or
design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the right to
change or discontinue these products without notice.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
EPIC is a trademark of Texas Instruments Incorporated.
SN54AHC165 . . . J OR W PACKAGE
SN74AHC165 . . . D, DB, N, OR PW PACKAGE
(TOP VIEW)
SN54AHC165 . . . FK PACKAGE
(TOP VIEW)
NC – No internal connection
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
SH/LD
CLK
E
F
G
H
Q
H
GND
V
CC
CLK INH
D
C
B
A
SER
Q
H
3
2
1 20 19
9 10 11 12 13
4
5
6
7
8
18
17
16
15
14
D
C
NC
B
A
E
F
NC
G
H
C
S
N
S
C
Q
G
N
V
C
Q
相關(guān)PDF資料
PDF描述
SN74AHC165 8-Bit Parallel-Load Shift Registers(8位并行載入移位寄存器)
SN54AHC257FK QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS
SN54AHC257J QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS
SN54AHC257W QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS
SN74AHC257D QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS
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